runway in use

runway in use

Any runway(s) currently being used for takeoff or landing. When multiple runways are used, they are all considered runways in use. Also called an active runway.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Patiently listening to what's going on at the airport you're approaching is the best way to get a mental picture of the traffic level, its flow, the runway in use and where you'll probably fit into the pattern.
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